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DTSTART:20260308T070000
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DTSTART:20251102T060000
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DTSTART;TZID=America/Toronto:20260416T143000
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URL:https://uwaterloo.ca/combinatorics-and-optimization/events/algebraic-an
 d-enumerative-combinatorics-seminar-tyler
SUMMARY:Algebraic and Enumerative combinatorics seminar - Tyler\nDunaisky-C
 osmological Correlators and Triangulating the Dual\nCosmological Polytope
CLASS:PUBLIC
DESCRIPTION:SPEAKER:\n\nTyler Dunaisky \n\nAFFILIATION:\n Purdue University
 \n\nLOCATION:\n MC 5417\n\nABSTRACT: A cosmological correlator is an Eule
 r integral\, associated\nto a graph G\, which encodes information about th
 e state of the early\nuniverse. Evaluation of these integrals is extremely
  challenging\, even\nin simple cases. However\, it turns out the integrand
  can be identified\nwith the so-called canonical form of the cosmological 
 polytope\,\nrevealing a rich combinatorial structure and allowing the appl
 ication\nof techniques from commutative algebra. I'll sketch my contributi
 on to\nthis story and advertise the fledgling field of positive geometry\,
 \nwhich seeks to generalize the notion of canonical forms to geometric\nob
 jects more exotic than polytopes.\n\nTHERE WILL BE A PRE-SEMINAR PRESENTIN
 G RELEVANT BACKGROUND AT THE\nBEGINNING GRADUATE LEVEL STARTING AT 1:30PM
 .
DTSTAMP:20260410T014851Z
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